ET MALWARE BIOPASS RAT Go Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/res/"; startswith; fast_pattern;
content:".exe"; endswith;
http.user_agent;
content:"Go-http-client/"; startswith;
http.host;
content:"flashdownloadserver.oss-cn-hongkong.aliyuncs.com";
Raw source ET MALWARE BIOPASS RAT Go Activity (GET) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE BIOPASS RAT Go Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/res/"; startswith; fast_pattern;
    content:".exe"; endswith;
    http.user_agent;
    content:"Go-http-client/"; startswith;
    http.host;
    content:"flashdownloadserver.oss-cn-hongkong.aliyuncs.com";
    reference:md5,f0b96efe2f714e7bddf76cc90a8b8c88;
    reference:url,trendmicro.com/en_us/research/21/g/biopass-rat-new-malware-sniffs-victims-via-live-streaming.html;
    classtype:trojan-activity;
    sid:2033310; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_09, deployment Perimeter, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_09;
)

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